Home / 12,339.54-18,510.03-3,574.26

Finding the Fourth Proportional to 12,339.54, 18,510.03 and 3,574.26

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Solution

The fourth proportional to 12,339.54, 18,510.03 and 3,574.26 is: 5,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.54 : 18,510.03 = 3,574.26 : x
  2. Step 2: Convert to fraction form
    12,339.54/18,510.03 = 3,574.26/x
  3. Step 3: Cross multiply
    12,339.54x = 18,510.03 × 3,574.26
  4. Step 4: Simplify right side
    12,339.54x = 66,159,659.83
  5. Step 5: Solve for x
    x = 66,159,659.83/12,339.54
  6. Step 6: Final answer
    x = 5,361.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.